...... I was always told they could tell if the car has been flashed regardless so I'm not really sure about the legitimacy of that advice.
If you were selling a product that was repeatedly returned for warranty work, Knowing that the customer was at fault by changing the tune, Wouldn't you figure out a way to log it?
2007 4.0 V6 Mustang, Victim of Black Ice
1989 2.3 Fastback, traded for:
2011 3.7 Pony Package, Traded for:
2018 GT 5.0 Premium